git.sesse.net Git - vlc/blob - modules/gui/beos/VideoOutput.cpp

   1 /*****************************************************************************
   2  * vout_beos.cpp: beos video output display method
   3  *****************************************************************************
   4  * Copyright (C) 2000, 2001 VideoLAN
   5  * $Id: VideoOutput.cpp,v 1.9 2002/12/07 22:00:36 titer Exp $
   6  *
   7  * Authors: Jean-Marc Dressler <polux@via.ecp.fr>
   8  *          Samuel Hocevar <sam@zoy.org>
   9  *          Tony Castley <tcastley@mail.powerup.com.au>
  10  *          Richard Shepherd <richard@rshepherd.demon.co.uk>
  11  *          Stephan Aßmus <stippi@yellowbites.com>
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with this program; if not, write to the Free Software
  25  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  26  *****************************************************************************/
  27
  28 /*****************************************************************************
  29  * Preamble
  30  *****************************************************************************/
  31 #include <errno.h>                                                 /* ENOMEM */
  32 #include <stdlib.h>                                                /* free() */
  33 #include <stdio.h>
  34 #include <string.h>                                            /* strerror() */
  35
  36 #include <Application.h>
  37 #include <BitmapStream.h>
  38 #include <Bitmap.h>
  39 #include <DirectWindow.h>
  40 #include <File.h>
  41 #include <InterfaceKit.h>
  42 #include <NodeInfo.h>
  43 #include <String.h>
  44 #include <TranslatorRoster.h>
  45
  46 /* VLC headers */
  47 #include <vlc/vlc.h>
  48 #include <vlc/intf.h>
  49 #include <vlc/vout.h>
  50
  51 #include "VideoWindow.h"
  52 #include "DrawingTidbits.h"
  53 #include "MsgVals.h"
  54
  55 /*****************************************************************************
  56  * vout_sys_t: BeOS video output method descriptor
  57  *****************************************************************************
  58  * This structure is part of the video output thread descriptor.
  59  * It describes the BeOS specific properties of an output thread.
  60  *****************************************************************************/
  61 struct vout_sys_t
  62 {
  63     VideoWindow *  p_window;
  64
  65     s32 i_width;
  66     s32 i_height;
  67
  68 //    u8 *pp_buffer[3];
  69     u32 source_chroma;
  70     int i_index;
  71
  72 };
  73
  74 #define MOUSE_IDLE_TIMEOUT 2000000      // two seconds
  75 #define MIN_AUTO_VSYNC_REFRESH 61       // Hz
  76 #define DEFAULT_SCREEN_SHOT_FORMAT 'PNG '
  77 #define DEFAULT_SCREEN_SHOT_PATH "/boot/home/vlc screenshot"
  78
  79 /*****************************************************************************
  80  * beos_GetAppWindow : retrieve a BWindow pointer from the window name
  81  *****************************************************************************/
  82 BWindow*
  83 beos_GetAppWindow(char *name)
  84 {
  85     int32       index;
  86     BWindow     *window;
  87
  88     for (index = 0 ; ; index++)
  89     {
  90         window = be_app->WindowAt(index);
  91         if (window == NULL)
  92             break;
  93         if (window->LockWithTimeout(20000) == B_OK)
  94         {
  95             if (strcmp(window->Name(), name) == 0)
  96             {
  97                 window->Unlock();
  98                 break;
  99             }
 100             window->Unlock();
 101         }
 102     }
 103     return window;
 104 }
 105
 106 /*****************************************************************************
 107  * get_interface_window
 108  *****************************************************************************/
 109 BWindow*
 110 get_interface_window()
 111 {
 112         return beos_GetAppWindow(VOUT_TITLE);
 113 }
 114
 115 class BackgroundView : public BView
 116 {
 117  public:
 118                                                         BackgroundView(BRect frame, VLCView* view)
 119                                                         : BView(frame, "background",
 120                                                                         B_FOLLOW_ALL, B_FULL_UPDATE_ON_RESIZE),
 121                                                           fVideoView(view)
 122                                                         {
 123                                                                 SetViewColor(kBlack);
 124                                                         }
 125         virtual                                 ~BackgroundView() {}
 126
 127         virtual void                    MouseDown(BPoint where)
 128                                                         {
 129                                                                 // convert coordinates
 130                                                                 where = fVideoView->ConvertFromParent(where);
 131                                                                 // let him handle it
 132                                                                 fVideoView->MouseDown(where);
 133                                                         }
 134         virtual void                    MouseMoved(BPoint where, uint32 transit,
 135                                                                            const BMessage* dragMessage)
 136                                                         {
 137                                                                 // convert coordinates
 138                                                                 where = fVideoView->ConvertFromParent(where);
 139                                                                 // let him handle it
 140                                                                 fVideoView->MouseMoved(where, transit, dragMessage);
 141                                                                 // notice: It might look like transit should be
 142                                                                 // B_OUTSIDE_VIEW regardless, but leave it like this,
 143                                                                 // otherwise, unwanted things will happen!
 144                                                         }
 145
 146  private:
 147         VLCView*                                fVideoView;
 148 };
 149
 150 /*****************************************************************************
 151  * VideoWindow constructor and destructor
 152  *****************************************************************************/
 153 VideoWindow::VideoWindow(int v_width, int v_height, BRect frame,
 154                          vout_thread_t *p_videoout)
 155         : BWindow(frame, NULL, B_TITLED_WINDOW, B_NOT_CLOSABLE | B_NOT_MINIMIZABLE),
 156           i_width(frame.IntegerWidth()),
 157           i_height(frame.IntegerHeight()),
 158           is_zoomed(false),
 159           vsync(false),
 160           i_buffer(0),
 161           teardownwindow(false),
 162           fTrueWidth(v_width),
 163           fTrueHeight(v_height),
 164           fCorrectAspect(true),
 165           fCachedFeel(B_NORMAL_WINDOW_FEEL),
 166           fInterfaceShowing(false),
 167           fInitStatus(B_ERROR)
 168 {
 169     p_vout = p_videoout;
 170
 171     // create the view to do the display
 172     view = new VLCView( Bounds(), p_vout );
 173
 174         // create background view
 175     BView *mainView =  new BackgroundView( Bounds(), view );
 176     AddChild(mainView);
 177     mainView->AddChild(view);
 178
 179         // figure out if we should use vertical sync by default
 180         BScreen screen(this);
 181         if (screen.IsValid())
 182         {
 183                 display_mode mode;
 184                 screen.GetMode(&mode);
 185                 float refresh = (mode.timing.pixel_clock * 1000)
 186                                                 / ((mode.timing.h_total)* (mode.timing.v_total));
 187                 vsync = (refresh < MIN_AUTO_VSYNC_REFRESH);
 188         }
 189
 190         // allocate bitmap buffers
 191         for (int32 i = 0; i < 3; i++)
 192                 bitmap[i] = NULL;
 193         fInitStatus = _AllocateBuffers(v_width, v_height, &mode);
 194
 195         // make sure we layout the view correctly
 196     FrameResized(i_width, i_height);
 197
 198     if (fInitStatus >= B_OK && mode == OVERLAY)
 199     {
 200        overlay_restrictions r;
 201
 202        bitmap[1]->GetOverlayRestrictions(&r);
 203        SetSizeLimits((i_width * r.min_width_scale), i_width * r.max_width_scale,
 204                      (i_height * r.min_height_scale), i_height * r.max_height_scale);
 205     }
 206
 207     if( config_GetInt( p_vout, "fullscreen" ) )
 208     {
 209         BWindow::Zoom();;
 210     }
 211 }
 212
 213 VideoWindow::~VideoWindow()
 214 {
 215     int32 result;
 216
 217     teardownwindow = true;
 218     wait_for_thread(fDrawThreadID, &result);
 219     _FreeBuffers();
 220 }
 221
 222 /*****************************************************************************
 223  * VideoWindow::MessageReceived
 224  *****************************************************************************/
 225 void
 226 VideoWindow::MessageReceived( BMessage *p_message )
 227 {
 228         switch( p_message->what )
 229         {
 230                 case TOGGLE_FULL_SCREEN:
 231                         BWindow::Zoom();
 232                         break;
 233                 case RESIZE_50:
 234                 case RESIZE_100:
 235                 case RESIZE_200:
 236                         if (is_zoomed)
 237                                 BWindow::Zoom();
 238                         _SetVideoSize(p_message->what);
 239                         break;
 240                 case VERT_SYNC:
 241                         vsync = !vsync;
 242                         break;
 243                 case WINDOW_FEEL:
 244                         {
 245                                 window_feel winFeel;
 246                                 if (p_message->FindInt32("WinFeel", (int32*)&winFeel) == B_OK)
 247                                 {
 248                                         SetFeel(winFeel);
 249                                         fCachedFeel = winFeel;
 250                                 }
 251                         }
 252                         break;
 253                 case ASPECT_CORRECT:
 254                         SetCorrectAspectRatio(!fCorrectAspect);
 255                         break;
 256                 case SCREEN_SHOT:
 257                         // save a screen shot
 258                         if ( BBitmap* current = bitmap[i_buffer] )
 259                         {
 260 // the following line might be tempting, but does not work for some overlay bitmaps!!!
 261 //                              BBitmap* temp = new BBitmap( current );
 262 // so we clone the bitmap ourselves
 263 // however, we need to take care of potentially different padding!
 264 // memcpy() is slow when reading from grafix memory, but what the heck...
 265                                 BBitmap* temp = new BBitmap( current->Bounds(), current->ColorSpace() );
 266                                 if ( temp && temp->IsValid() )
 267                                 {
 268                                         int32 height = (int32)current->Bounds().Height();
 269                                         uint8* dst = (uint8*)temp->Bits();
 270                                         uint8* src = (uint8*)current->Bits();
 271                                         int32 dstBpr = temp->BytesPerRow();
 272                                         int32 srcBpr = current->BytesPerRow();
 273                                         int32 validBytes = dstBpr > srcBpr ? srcBpr : dstBpr;
 274                                         for ( int32 y = 0; y < height; y++ )
 275                                         {
 276                                                 memcpy( dst, src, validBytes );
 277                                                 dst += dstBpr;
 278                                                 src += srcBpr;
 279                                         }
 280                                         _SaveScreenShot( temp,
 281                                                                          strdup( DEFAULT_SCREEN_SHOT_PATH ),
 282                                                                          DEFAULT_SCREEN_SHOT_FORMAT );
 283                                 }
 284                                 else
 285                                 {
 286                                         delete temp;
 287                                         fprintf( stderr, "error copying bitmaps\n" );
 288                                 }
 289                         }
 290                         break;
 291                 default:
 292                         BWindow::MessageReceived( p_message );
 293                         break;
 294         }
 295 }
 296
 297 /*****************************************************************************
 298  * VideoWindow::Zoom
 299  *****************************************************************************/
 300 void
 301 VideoWindow::Zoom(BPoint origin, float width, float height )
 302 {
 303         if(is_zoomed)
 304         {
 305                 MoveTo(winSize.left, winSize.top);
 306                 ResizeTo(winSize.IntegerWidth(), winSize.IntegerHeight());
 307                 be_app->ShowCursor();
 308                 fInterfaceShowing = true;
 309         }
 310         else
 311         {
 312                 BScreen screen(this);
 313                 BRect rect = screen.Frame();
 314                 Activate();
 315                 MoveTo(0.0, 0.0);
 316                 ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
 317                 be_app->ObscureCursor();
 318                 fInterfaceShowing = false;
 319         }
 320         is_zoomed = !is_zoomed;
 321 }
 322
 323 /*****************************************************************************
 324  * VideoWindow::FrameMoved
 325  *****************************************************************************/
 326 void
 327 VideoWindow::FrameMoved(BPoint origin)
 328 {
 329         if (is_zoomed) return ;
 330     winSize = Frame();
 331 }
 332
 333 /*****************************************************************************
 334  * VideoWindow::FrameResized
 335  *****************************************************************************/
 336 void
 337 VideoWindow::FrameResized( float width, float height )
 338 {
 339         int32 useWidth = fCorrectAspect ? i_width : fTrueWidth;
 340         int32 useHeight = fCorrectAspect ? i_height : fTrueHeight;
 341     float out_width, out_height;
 342     float out_left, out_top;
 343     float width_scale = width / useWidth;
 344     float height_scale = height / useHeight;
 345
 346     if (width_scale <= height_scale)
 347     {
 348         out_width = (useWidth * width_scale);
 349         out_height = (useHeight * width_scale);
 350         out_left = 0;
 351         out_top = (height - out_height) / 2;
 352     }
 353     else   /* if the height is proportionally smaller */
 354     {
 355         out_width = (useWidth * height_scale);
 356         out_height = (useHeight * height_scale);
 357         out_top = 0;
 358         out_left = (width - out_width) / 2;
 359     }
 360     view->MoveTo(out_left,out_top);
 361     view->ResizeTo(out_width, out_height);
 362
 363         if (!is_zoomed)
 364         winSize = Frame();
 365 }
 366
 367 /*****************************************************************************
 368  * VideoWindow::ScreenChanged
 369  *****************************************************************************/
 370 void
 371 VideoWindow::ScreenChanged(BRect frame, color_space format)
 372 {
 373         BScreen screen(this);
 374         display_mode mode;
 375         screen.GetMode(&mode);
 376         float refresh = (mode.timing.pixel_clock * 1000)
 377                                         / ((mode.timing.h_total) * (mode.timing.v_total));
 378     if (refresh < MIN_AUTO_VSYNC_REFRESH)
 379         vsync = true;
 380 }
 381
 382 /*****************************************************************************
 383  * VideoWindow::Activate
 384  *****************************************************************************/
 385 void
 386 VideoWindow::WindowActivated(bool active)
 387 {
 388 }
 389
 390 /*****************************************************************************
 391  * VideoWindow::drawBuffer
 392  *****************************************************************************/
 393 void
 394 VideoWindow::drawBuffer(int bufferIndex)
 395 {
 396     i_buffer = bufferIndex;
 397
 398     // sync to the screen if required
 399     if (vsync)
 400     {
 401         BScreen screen(this);
 402         screen.WaitForRetrace(22000);
 403     }
 404     if (fInitStatus >= B_OK && LockLooper())
 405     {
 406        // switch the overlay bitmap
 407        if (mode == OVERLAY)
 408        {
 409           rgb_color key;
 410           view->SetViewOverlay(bitmap[i_buffer],
 411                             bitmap[i_buffer]->Bounds() ,
 412                             view->Bounds(),
 413                             &key, B_FOLLOW_ALL,
 414                                                         B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL|
 415                                     B_OVERLAY_TRANSFER_CHANNEL);
 416                    view->SetViewColor(key);
 417            }
 418        else
 419        {
 420          // switch the bitmap
 421          view->DrawBitmap(bitmap[i_buffer], view->Bounds() );
 422        }
 423        UnlockLooper();
 424     }
 425 }
 426
 427 /*****************************************************************************
 428  * VideoWindow::SetInterfaceShowing
 429  *****************************************************************************/
 430 void
 431 VideoWindow::ToggleInterfaceShowing()
 432 {
 433         SetInterfaceShowing(!fInterfaceShowing);
 434 }
 435
 436 /*****************************************************************************
 437  * VideoWindow::SetInterfaceShowing
 438  *****************************************************************************/
 439 void
 440 VideoWindow::SetInterfaceShowing(bool showIt)
 441 {
 442         BWindow* window = get_interface_window();
 443         if (window)
 444         {
 445                 if (showIt)
 446                 {
 447                         if (fCachedFeel != B_NORMAL_WINDOW_FEEL)
 448                                 SetFeel(B_NORMAL_WINDOW_FEEL);
 449                         window->Activate(true);
 450                         SendBehind(window);
 451                 }
 452                 else
 453                 {
 454                         SetFeel(fCachedFeel);
 455                         Activate(true);
 456                         window->SendBehind(this);
 457                 }
 458                 fInterfaceShowing = showIt;
 459         }
 460 }
 461
 462 /*****************************************************************************
 463  * VideoWindow::SetCorrectAspectRatio
 464  *****************************************************************************/
 465 void
 466 VideoWindow::SetCorrectAspectRatio(bool doIt)
 467 {
 468         if (fCorrectAspect != doIt)
 469         {
 470                 fCorrectAspect = doIt;
 471                 FrameResized(Bounds().Width(), Bounds().Height());
 472         }
 473 }
 474
 475 /*****************************************************************************
 476  * VideoWindow::_AllocateBuffers
 477  *****************************************************************************/
 478 status_t
 479 VideoWindow::_AllocateBuffers(int width, int height, int* mode)
 480 {
 481         // clear any old buffers
 482         _FreeBuffers();
 483         // set default mode
 484         *mode = BITMAP;
 485
 486         BRect bitmapFrame( 0, 0, width, height );
 487         // read from config, if we are supposed to use overlay at all
 488     int noOverlay = !config_GetInt( p_vout, "overlay" );
 489         // test for overlay capability
 490     for (int i = 0; i < COLOR_COUNT; i++)
 491     {
 492         if (noOverlay) break;
 493         bitmap[0] = new BBitmap ( bitmapFrame,
 494                                   B_BITMAP_WILL_OVERLAY |
 495                                   B_BITMAP_RESERVE_OVERLAY_CHANNEL,
 496                                   colspace[i].colspace);
 497
 498         if(bitmap[0] && bitmap[0]->InitCheck() == B_OK)
 499         {
 500             colspace_index = i;
 501
 502             bitmap[1] = new BBitmap( bitmapFrame, B_BITMAP_WILL_OVERLAY,
 503                                      colspace[colspace_index].colspace);
 504             bitmap[2] = new BBitmap( bitmapFrame, B_BITMAP_WILL_OVERLAY,
 505                                      colspace[colspace_index].colspace);
 506             if ( (bitmap[2] && bitmap[2]->InitCheck() == B_OK) )
 507             {
 508                *mode = OVERLAY;
 509                rgb_color key;
 510                view->SetViewOverlay(bitmap[0],
 511                                     bitmap[0]->Bounds() ,
 512                                     view->Bounds(),
 513                                     &key, B_FOLLOW_ALL,
 514                                             B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL);
 515                        view->SetViewColor(key);
 516                SetTitle(VOUT_TITLE " (Overlay)");
 517                break;
 518             }
 519             else
 520             {
 521                _FreeBuffers();
 522                *mode = BITMAP; // might want to try again with normal bitmaps
 523             }
 524         }
 525         else
 526             delete bitmap[0];
 527         }
 528
 529     if (*mode == BITMAP)
 530         {
 531         // fallback to RGB
 532         colspace_index = DEFAULT_COL;   // B_RGB32
 533         SetTitle( VOUT_TITLE " (Bitmap)" );
 534         bitmap[0] = new BBitmap( bitmapFrame, colspace[colspace_index].colspace );
 535         bitmap[1] = new BBitmap( bitmapFrame, colspace[colspace_index].colspace );
 536         bitmap[2] = new BBitmap( bitmapFrame, colspace[colspace_index].colspace );
 537     }
 538     // see if everything went well
 539     status_t status = B_ERROR;
 540     for (int32 i = 0; i < 3; i++)
 541     {
 542         if (bitmap[i])
 543                 status = bitmap[i]->InitCheck();
 544                 if (status < B_OK)
 545                         break;
 546     }
 547     if (status >= B_OK)
 548     {
 549             // clear bitmaps to black
 550             for (int32 i = 0; i < 3; i++)
 551                 _BlankBitmap(bitmap[i]);
 552     }
 553     return status;
 554 }
 555
 556 /*****************************************************************************
 557  * VideoWindow::_FreeBuffers
 558  *****************************************************************************/
 559 void
 560 VideoWindow::_FreeBuffers()
 561 {
 562         delete bitmap[0];
 563         bitmap[0] = NULL;
 564         delete bitmap[1];
 565         bitmap[1] = NULL;
 566         delete bitmap[2];
 567         bitmap[2] = NULL;
 568         fInitStatus = B_ERROR;
 569 }
 570
 571 /*****************************************************************************
 572  * VideoWindow::_BlankBitmap
 573  *****************************************************************************/
 574 void
 575 VideoWindow::_BlankBitmap(BBitmap* bitmap) const
 576 {
 577         // no error checking (we do that earlier on and since it's a private function...
 578
 579         // YCbCr:
 580         // Loss/Saturation points are Y 16-235 (absoulte); Cb/Cr 16-240 (center 128)
 581
 582         // YUV:
 583         // Extrema points are Y 0 - 207 (absolute) U -91 - 91 (offset 128) V -127 - 127 (offset 128)
 584
 585         // we only handle weird colorspaces with special care
 586         switch (bitmap->ColorSpace()) {
 587                 case B_YCbCr422: {
 588                         // Y0[7:0]  Cb0[7:0]  Y1[7:0]  Cr0[7:0]  Y2[7:0]  Cb2[7:0]  Y3[7:0]  Cr2[7:0]
 589                         int32 height = bitmap->Bounds().IntegerHeight() + 1;
 590                         uint8* bits = (uint8*)bitmap->Bits();
 591                         int32 bpr = bitmap->BytesPerRow();
 592                         for (int32 y = 0; y < height; y++) {
 593                                 // handle 2 bytes at a time
 594                                 for (int32 i = 0; i < bpr; i += 2) {
 595                                         // offset into line
 596                                         bits[i] = 16;
 597                                         bits[i + 1] = 128;
 598                                 }
 599                                 // next line
 600                                 bits += bpr;
 601                         }
 602                         break;
 603                 }
 604                 case B_YCbCr420: {
 605 // TODO: untested!!
 606                         // Non-interlaced only, Cb0  Y0  Y1  Cb2 Y2  Y3  on even scan lines ...
 607                         // Cr0  Y0  Y1  Cr2 Y2  Y3  on odd scan lines
 608                         int32 height = bitmap->Bounds().IntegerHeight() + 1;
 609                         uint8* bits = (uint8*)bitmap->Bits();
 610                         int32 bpr = bitmap->BytesPerRow();
 611                         for (int32 y = 0; y < height; y += 1) {
 612                                 // handle 3 bytes at a time
 613                                 for (int32 i = 0; i < bpr; i += 3) {
 614                                         // offset into line
 615                                         bits[i] = 128;
 616                                         bits[i + 1] = 16;
 617                                         bits[i + 2] = 16;
 618                                 }
 619                                 // next line
 620                                 bits += bpr;
 621                         }
 622                         break;
 623                 }
 624                 case B_YUV422: {
 625 // TODO: untested!!
 626                         // U0[7:0]  Y0[7:0]   V0[7:0]  Y1[7:0]  U2[7:0]  Y2[7:0]   V2[7:0]  Y3[7:0]
 627                         int32 height = bitmap->Bounds().IntegerHeight() + 1;
 628                         uint8* bits = (uint8*)bitmap->Bits();
 629                         int32 bpr = bitmap->BytesPerRow();
 630                         for (int32 y = 0; y < height; y += 1) {
 631                                 // handle 2 bytes at a time
 632                                 for (int32 i = 0; i < bpr; i += 2) {
 633                                         // offset into line
 634                                         bits[i] = 128;
 635                                         bits[i + 1] = 0;
 636                                 }
 637                                 // next line
 638                                 bits += bpr;
 639                         }
 640                         break;
 641                 }
 642                 default:
 643                         memset(bitmap->Bits(), 0, bitmap->BitsLength());
 644                         break;
 645         }
 646 }
 647
 648 /*****************************************************************************
 649  * VideoWindow::_SetVideoSize
 650  *****************************************************************************/
 651 void
 652 VideoWindow::_SetVideoSize(uint32 mode)
 653 {
 654         // let size depend on aspect correction
 655         int32 width = fCorrectAspect ? i_width : fTrueWidth;
 656         int32 height = fCorrectAspect ? i_height : fTrueHeight;
 657         switch (mode)
 658         {
 659                 case RESIZE_50:
 660                         width /= 2;
 661                         height /= 2;
 662                         break;
 663                 case RESIZE_200:
 664                         width *= 2;
 665                         height *= 2;
 666                         break;
 667                 case RESIZE_100:
 668                 default:
 669                 break;
 670         }
 671         ResizeTo(width, height);
 672         is_zoomed = false;
 673 }
 674
 675 /*****************************************************************************
 676  * VideoWindow::_SaveScreenShot
 677  *****************************************************************************/
 678 void
 679 VideoWindow::_SaveScreenShot( BBitmap* bitmap, char* path,
 680                                                   uint32 translatorID ) const
 681 {
 682         // make the info object from the parameters
 683         screen_shot_info* info = new screen_shot_info;
 684         info->bitmap = bitmap;
 685         info->path = path;
 686         info->translatorID = translatorID;
 687         info->width = fCorrectAspect ? i_width : fTrueWidth;
 688         info->height = fCorrectAspect ? i_height : fTrueHeight;
 689         // spawn a new thread to take care of the actual saving to disk
 690         thread_id thread = spawn_thread( _save_screen_shot,
 691                                                                          "screen shot saver",
 692                                                                          B_LOW_PRIORITY, (void*)info );
 693         // start thread or do the job ourself if something went wrong
 694         if ( thread < B_OK || resume_thread( thread ) < B_OK )
 695                 _save_screen_shot( (void*)info );
 696 }
 697
 698 /*****************************************************************************
 699  * VideoWindow::_save_screen_shot
 700  *****************************************************************************/
 701 int32
 702 VideoWindow::_save_screen_shot( void* cookie )
 703 {
 704         screen_shot_info* info = (screen_shot_info*)cookie;
 705         if ( info && info->bitmap && info->bitmap->IsValid() && info->path )
 706         {
 707                 // try to be as quick as possible creating the file (the user might have
 708                 // taken the next screen shot already!)
 709                 // make sure we have a unique name for the screen shot
 710                 BString path( info->path );
 711                 BEntry entry( path.String() );
 712                 int32 appendedNumber = 0;
 713                 if ( entry.Exists() && !entry.IsSymLink() )
 714                 {
 715                         // we would clobber an existing entry
 716                         bool foundUniqueName = false;
 717                         appendedNumber = 1;
 718                         while ( !foundUniqueName ) {
 719                                 BString newName( info->path );
 720                                 newName << " " << appendedNumber;
 721                                 BEntry possiblyClobberedEntry( newName.String() );
 722                                 if ( possiblyClobberedEntry.Exists()
 723                                         && !possiblyClobberedEntry.IsSymLink() )
 724                                         appendedNumber++;
 725                                 else
 726                                         foundUniqueName = true;
 727                         }
 728                 }
 729                 if ( appendedNumber > 0 )
 730                         path << " " << appendedNumber;
 731                 // there is still a slight chance to clobber an existing
 732                 // file (if it was created in the "meantime"), but we take it...
 733                 BFile outFile( path.String(),
 734                                            B_CREATE_FILE | B_WRITE_ONLY | B_ERASE_FILE );
 735
 736                 // make colorspace converted copy of bitmap
 737                 BBitmap* converted = new BBitmap( BRect( 0.0, 0.0, info->width, info->height ),
 738                                                                                   B_RGB32 );
 739 //              if ( converted->IsValid() )
 740 //                      memset( converted->Bits(), 0, converted->BitsLength() );
 741                 status_t status = convert_bitmap( info->bitmap, converted );
 742                 if ( status == B_OK )
 743                 {
 744                         BTranslatorRoster* roster = BTranslatorRoster::Default();
 745                         uint32 imageFormat = 0;
 746                         translator_id translator = 0;
 747                         bool found = false;
 748
 749                         // find suitable translator
 750                         translator_id* ids = NULL;
 751                         int32 count = 0;
 752
 753                         status = roster->GetAllTranslators( &ids, &count );
 754                         if ( status >= B_OK )
 755                         {
 756                                 for ( int tix = 0; tix < count; tix++ )
 757                                 {
 758                                         const translation_format *formats = NULL;
 759                                         int32 num_formats = 0;
 760                                         bool ok = false;
 761                                         status = roster->GetInputFormats( ids[tix],
 762                                                                                                           &formats, &num_formats );
 763                                         if (status >= B_OK)
 764                                         {
 765                                                 for ( int iix = 0; iix < num_formats; iix++ )
 766                                                 {
 767                                                         if ( formats[iix].type == B_TRANSLATOR_BITMAP )
 768                                                         {
 769                                                                 ok = true;
 770                                                                 break;
 771                                                         }
 772                                                 }
 773                                         }
 774                                         if ( !ok )
 775                                                 continue;
 776                                         status = roster->GetOutputFormats( ids[tix],
 777                                                                                                            &formats, &num_formats);
 778                                         if ( status >= B_OK )
 779                                         {
 780                                                 for ( int32 oix = 0; oix < num_formats; oix++ )
 781                                                 {
 782                                                         if ( formats[oix].type != B_TRANSLATOR_BITMAP )
 783                                                         {
 784                                                                 if ( formats[oix].type == info->translatorID )
 785                                                                 {
 786                                                                         found = true;
 787                                                                         imageFormat = formats[oix].type;
 788                                                                         translator = ids[tix];
 789                                                                         break;
 790                                                                 }
 791                                                         }
 792                                                 }
 793                                         }
 794                                 }
 795                         }
 796                         delete[] ids;
 797                         if ( found )
 798                         {
 799                                 // make bitmap stream
 800                                 BBitmapStream outStream( converted );
 801
 802                                 status = outFile.InitCheck();
 803                                 if (status == B_OK) {
 804                                         status = roster->Translate( &outStream, NULL, NULL,
 805                                                                                                 &outFile, imageFormat );
 806                                         if ( status == B_OK )
 807                                         {
 808                                                 BNodeInfo nodeInfo( &outFile );
 809                                                 if ( nodeInfo.InitCheck() == B_OK )
 810                                                 {
 811                                                         translation_format* formats;
 812                                                         int32 count;
 813                                                         status = roster->GetOutputFormats( translator,
 814                                                                                                                            (const translation_format **) &formats,
 815                                                                                                                            &count);
 816                                                         if ( status >= B_OK )
 817                                                         {
 818                                                                 const char * mime = NULL;
 819                                                                 for ( int ix = 0; ix < count; ix++ ) {
 820                                                                         if ( formats[ix].type == imageFormat ) {
 821                                                                                 mime = formats[ix].MIME;
 822                                                                                 break;
 823                                                                         }
 824                                                                 }
 825                                                                 if ( mime )
 826                                                                         nodeInfo.SetType( mime );
 827                                                         }
 828                                                 }
 829                                         } else {
 830                                                 fprintf( stderr, "  failed to write bitmap: %s\n",
 831                                                                  strerror( status ) );
 832                                         }
 833                                 } else {
 834                                         fprintf( stderr, "  failed to create output file: %s\n",
 835                                                          strerror( status ) );
 836                                 }
 837                                 outStream.DetachBitmap( &converted );
 838                                 outFile.Unset();
 839                         }
 840                         else
 841                                 fprintf( stderr, "  failed to find translator\n");
 842                 }
 843                 else
 844                                 fprintf( stderr, "  failed to convert colorspace: %s\n",
 845                                                  strerror( status ) );
 846                 delete converted;
 847         }
 848         if ( info )
 849         {
 850                 delete info->bitmap;
 851                 delete[] info->path;
 852         }
 853         delete info;
 854         return B_OK;
 855 }
 856
 857
 858 /*****************************************************************************
 859  * VLCView::VLCView
 860  *****************************************************************************/
 861 VLCView::VLCView(BRect bounds, vout_thread_t *p_vout_instance )
 862         : BView(bounds, "video view", B_FOLLOW_NONE, B_WILL_DRAW | B_PULSE_NEEDED),
 863           fLastMouseMovedTime(system_time()),
 864           fCursorHidden(false),
 865           fCursorInside(false),
 866           fIgnoreDoubleClick(false)
 867 {
 868     p_vout = p_vout_instance;
 869     SetViewColor(B_TRANSPARENT_32_BIT);
 870 }
 871
 872 /*****************************************************************************
 873  * VLCView::~VLCView
 874  *****************************************************************************/
 875 VLCView::~VLCView()
 876 {
 877 }
 878
 879 /*****************************************************************************
 880  * VLCVIew::AttachedToWindow
 881  *****************************************************************************/
 882 void
 883 VLCView::AttachedToWindow()
 884 {
 885         // in order to get keyboard events
 886         MakeFocus(true);
 887         // periodically check if we want to hide the pointer
 888         Window()->SetPulseRate(1000000);
 889 }
 890
 891 /*****************************************************************************
 892  * VLCVIew::MouseDown
 893  *****************************************************************************/
 894 void
 895 VLCView::MouseDown(BPoint where)
 896 {
 897         VideoWindow* videoWindow = dynamic_cast<VideoWindow*>(Window());
 898         BMessage* msg = Window()->CurrentMessage();
 899         int32 clicks;
 900         uint32 buttons;
 901         msg->FindInt32("clicks", &clicks);
 902         msg->FindInt32("buttons", (int32*)&buttons);
 903
 904         if (videoWindow)
 905         {
 906                 if (buttons & B_PRIMARY_MOUSE_BUTTON)
 907                 {
 908                         if (clicks == 2 && !fIgnoreDoubleClick)
 909                                 Window()->Zoom();
 910                         else
 911                                 videoWindow->ToggleInterfaceShowing();
 912                         fIgnoreDoubleClick = false;
 913                 }
 914             else
 915             {
 916                         if (buttons & B_SECONDARY_MOUSE_BUTTON)
 917                         {
 918                                 // clicks will be 2 next time (if interval short enough)
 919                                 // even if the first click and the second
 920                                 // have not been made with the same mouse button
 921                                 fIgnoreDoubleClick = true;
 922                                 // launch popup menu
 923                                 BPopUpMenu *menu = new BPopUpMenu("context menu");
 924                                 menu->SetRadioMode(false);
 925                                 // Resize to 50%
 926                                 BMenuItem *halfItem = new BMenuItem("50%", new BMessage(RESIZE_50));
 927                                 menu->AddItem(halfItem);
 928                                 // Resize to 100%
 929                                 BMenuItem *origItem = new BMenuItem("100%", new BMessage(RESIZE_100));
 930                                 menu->AddItem(origItem);
 931                                 // Resize to 200%
 932                                 BMenuItem *doubleItem = new BMenuItem("200%", new BMessage(RESIZE_200));
 933                                 menu->AddItem(doubleItem);
 934                                 // Toggle FullScreen
 935                                 BMenuItem *zoomItem = new BMenuItem("Fullscreen", new BMessage(TOGGLE_FULL_SCREEN));
 936                                 zoomItem->SetMarked(videoWindow->is_zoomed);
 937                                 menu->AddItem(zoomItem);
 938
 939                                 menu->AddSeparatorItem();
 940
 941                                 // Toggle vSync
 942                                 BMenuItem *vsyncItem = new BMenuItem("Vertical Sync", new BMessage(VERT_SYNC));
 943                                 vsyncItem->SetMarked(videoWindow->vsync);
 944                                 menu->AddItem(vsyncItem);
 945                                 // Correct Aspect Ratio
 946                                 BMenuItem *aspectItem = new BMenuItem("Correct Aspect Ratio", new BMessage(ASPECT_CORRECT));
 947                                 aspectItem->SetMarked(videoWindow->CorrectAspectRatio());
 948                                 menu->AddItem(aspectItem);
 949
 950                                 menu->AddSeparatorItem();
 951
 952                                 // Windwo Feel Items
 953 /*                              BMessage *winNormFeel = new BMessage(WINDOW_FEEL);
 954                                 winNormFeel->AddInt32("WinFeel", (int32)B_NORMAL_WINDOW_FEEL);
 955                                 BMenuItem *normWindItem = new BMenuItem("Normal Window", winNormFeel);
 956                                 normWindItem->SetMarked(videoWindow->Feel() == B_NORMAL_WINDOW_FEEL);
 957                                 menu->AddItem(normWindItem);
 958
 959                                 BMessage *winFloatFeel = new BMessage(WINDOW_FEEL);
 960                                 winFloatFeel->AddInt32("WinFeel", (int32)B_FLOATING_APP_WINDOW_FEEL);
 961                                 BMenuItem *onTopWindItem = new BMenuItem("App Top", winFloatFeel);
 962                                 onTopWindItem->SetMarked(videoWindow->Feel() == B_FLOATING_APP_WINDOW_FEEL);
 963                                 menu->AddItem(onTopWindItem);
 964
 965                                 BMessage *winAllFeel = new BMessage(WINDOW_FEEL);
 966                                 winAllFeel->AddInt32("WinFeel", (int32)B_FLOATING_ALL_WINDOW_FEEL);
 967                                 BMenuItem *allSpacesWindItem = new BMenuItem("On Top All Workspaces", winAllFeel);
 968                                 allSpacesWindItem->SetMarked(videoWindow->Feel() == B_FLOATING_ALL_WINDOW_FEEL);
 969                                 menu->AddItem(allSpacesWindItem);*/
 970
 971                                 BMessage *windowFeelMsg = new BMessage( WINDOW_FEEL );
 972                                 bool onTop = videoWindow->Feel() == B_FLOATING_ALL_WINDOW_FEEL;
 973                                 window_feel feel = onTop ? B_NORMAL_WINDOW_FEEL : B_FLOATING_ALL_WINDOW_FEEL;
 974                                 windowFeelMsg->AddInt32( "WinFeel", (int32)feel );
 975                                 BMenuItem *windowFeelItem = new BMenuItem( "Stay On Top", windowFeelMsg );
 976                                 windowFeelItem->SetMarked( onTop );
 977                                 menu->AddItem( windowFeelItem );
 978
 979                                 menu->AddSeparatorItem();
 980
 981                                 BMenuItem* screenShotItem = new BMenuItem( "Take Screen Shot",
 982                                                                                                                    new BMessage( SCREEN_SHOT ) );
 983                                 menu->AddItem( screenShotItem );
 984
 985                                 menu->SetTargetForItems( this );
 986                                 ConvertToScreen( &where );
 987                                 menu->Go( where, true, false, true );
 988                 }
 989                 }
 990         }
 991         fLastMouseMovedTime = system_time();
 992         fCursorHidden = false;
 993 }
 994
 995 /*****************************************************************************
 996  * VLCVIew::MouseUp
 997  *****************************************************************************/
 998 void
 999 VLCView::MouseUp( BPoint where )
1000 {
1001     vlc_value_t val;
1002     val.b_bool = VLC_TRUE;
1003     var_Set( p_vout, "mouse-clicked", val );
1004 }
1005
1006 /*****************************************************************************
1007  * VLCVIew::MouseMoved
1008  *****************************************************************************/
1009 void
1010 VLCView::MouseMoved(BPoint point, uint32 transit, const BMessage* dragMessage)
1011 {
1012         fLastMouseMovedTime = system_time();
1013         fCursorHidden = false;
1014         fCursorInside = (transit == B_INSIDE_VIEW || transit == B_ENTERED_VIEW);
1015         /* DVD navigation */
1016         unsigned int i_width, i_height, i_x, i_y;
1017     vout_PlacePicture( p_vout, (unsigned int)Bounds().Width(),
1018                        (unsigned int)Bounds().Height(),
1019                        &i_x, &i_y, &i_width, &i_height );
1020         vlc_value_t val;
1021         val.i_int = ( (int)point.x - i_x ) * p_vout->render.i_width / i_width;
1022         var_Set( p_vout, "mouse-x", val );
1023         val.i_int = ( (int)point.y - i_y ) * p_vout->render.i_height / i_height;
1024         var_Set( p_vout, "mouse-y", val );
1025         val.b_bool = VLC_TRUE;
1026     var_Set( p_vout, "mouse-moved", val );
1027 }
1028
1029 /*****************************************************************************
1030  * VLCVIew::Pulse
1031  *****************************************************************************/
1032 void
1033 VLCView::Pulse()
1034 {
1035         // We are getting the pulse messages no matter if the mouse is over
1036         // this view. If we are in full screen mode, we want to hide the cursor
1037         // even if it is not.
1038         if (!fCursorHidden)
1039         {
1040                 if (fCursorInside
1041                         && system_time() - fLastMouseMovedTime > MOUSE_IDLE_TIMEOUT)
1042                 {
1043                         be_app->ObscureCursor();
1044                         fCursorHidden = true;
1045                         VideoWindow *videoWindow = dynamic_cast<VideoWindow*>(Window());
1046                         // hide the interface window as well if full screen
1047                         if (videoWindow && videoWindow->is_zoomed)
1048                                 videoWindow->SetInterfaceShowing(false);
1049                 }
1050         }
1051 }
1052
1053 /*****************************************************************************
1054  * VLCVIew::KeyDown
1055  *****************************************************************************/
1056 void
1057 VLCView::KeyDown(const char *bytes, int32 numBytes)
1058 {
1059     VideoWindow *videoWindow = dynamic_cast<VideoWindow*>(Window());
1060     BWindow* interfaceWindow = get_interface_window();
1061         if (videoWindow && numBytes > 0) {
1062                 uint32 mods = modifiers();
1063                 switch (*bytes) {
1064                         case B_TAB:
1065                                 // toggle window and full screen mode
1066                                 // not passing on the tab key to the default KeyDown()
1067                                 // implementation also avoids loosing the keyboard focus
1068                                 videoWindow->PostMessage(TOGGLE_FULL_SCREEN);
1069                                 break;
1070                         case B_ESCAPE:
1071                                 // go back to window mode
1072                                 if (videoWindow->is_zoomed)
1073                                         videoWindow->PostMessage(TOGGLE_FULL_SCREEN);
1074                                 break;
1075                         case B_SPACE:
1076                                 // toggle playback
1077                                 if (interfaceWindow)
1078                                         interfaceWindow->PostMessage(PAUSE_PLAYBACK);
1079                                 break;
1080                         case B_RIGHT_ARROW:
1081                                 if (interfaceWindow)
1082                                 {
1083                                         if (mods & B_SHIFT_KEY)
1084                                                 // next title
1085                                                 interfaceWindow->PostMessage(NEXT_TITLE);
1086                                         else
1087                                                 // next chapter
1088                                                 interfaceWindow->PostMessage(NEXT_CHAPTER);
1089                                 }
1090                                 break;
1091                         case B_LEFT_ARROW:
1092                                 if (interfaceWindow)
1093                                 {
1094                                         if (mods & B_SHIFT_KEY)
1095                                                 // previous title
1096                                                 interfaceWindow->PostMessage(PREV_TITLE);
1097                                         else
1098                                                 // previous chapter
1099                                                 interfaceWindow->PostMessage(PREV_CHAPTER);
1100                                 }
1101                                 break;
1102                         case B_UP_ARROW:
1103                                 // previous file in playlist
1104                                 interfaceWindow->PostMessage(PREV_FILE);
1105                                 break;
1106                         case B_DOWN_ARROW:
1107                                 // next file in playlist
1108                                 interfaceWindow->PostMessage(NEXT_FILE);
1109                                 break;
1110                         case B_PRINT_KEY:
1111                         case 's':
1112                         case 'S':
1113                                 videoWindow->PostMessage( SCREEN_SHOT );
1114                                 break;
1115                         default:
1116                                 BView::KeyDown(bytes, numBytes);
1117                                 break;
1118                 }
1119         }
1120 }
1121
1122 /*****************************************************************************
1123  * VLCVIew::Draw
1124  *****************************************************************************/
1125 void
1126 VLCView::Draw(BRect updateRect)
1127 {
1128         VideoWindow* window = dynamic_cast<VideoWindow*>( Window() );
1129         if ( window && window->mode == BITMAP )
1130                 FillRect( updateRect );
1131 }
1132
1133 /*****************************************************************************
1134  * Local prototypes
1135  *****************************************************************************/
1136 static int  Init       ( vout_thread_t * );
1137 static void End        ( vout_thread_t * );
1138 // static int  Manage     ( vout_thread_t * );
1139 static void Display    ( vout_thread_t *, picture_t * );
1140
1141 static int  BeosOpenDisplay ( vout_thread_t *p_vout );
1142 static void BeosCloseDisplay( vout_thread_t *p_vout );
1143
1144 /*****************************************************************************
1145  * OpenVideo: allocates BeOS video thread output method
1146  *****************************************************************************
1147  * This function allocates and initializes a BeOS vout method.
1148  *****************************************************************************/
1149 int E_(OpenVideo) ( vlc_object_t *p_this )
1150 {
1151     vout_thread_t * p_vout = (vout_thread_t *)p_this;
1152
1153     /* Allocate structure */
1154     p_vout->p_sys = (vout_sys_t*) malloc( sizeof( vout_sys_t ) );
1155     if( p_vout->p_sys == NULL )
1156     {
1157         msg_Err( p_vout, "out of memory" );
1158         return( 1 );
1159     }
1160     p_vout->p_sys->i_width = p_vout->render.i_width;
1161     p_vout->p_sys->i_height = p_vout->render.i_height;
1162     p_vout->p_sys->source_chroma = p_vout->render.i_chroma;
1163
1164     p_vout->pf_init = Init;
1165     p_vout->pf_end = End;
1166     p_vout->pf_manage = NULL;
1167     p_vout->pf_render = NULL;
1168     p_vout->pf_display = Display;
1169
1170     return( 0 );
1171 }
1172
1173 /*****************************************************************************
1174  * Init: initialize BeOS video thread output method
1175  *****************************************************************************/
1176 int Init( vout_thread_t *p_vout )
1177 {
1178     int i_index;
1179     picture_t *p_pic;
1180
1181     I_OUTPUTPICTURES = 0;
1182
1183     /* Open and initialize device */
1184     if( BeosOpenDisplay( p_vout ) )
1185     {
1186         msg_Err(p_vout, "vout error: can't open display");
1187         return 0;
1188     }
1189     p_vout->output.i_width  = p_vout->render.i_width;
1190     p_vout->output.i_height = p_vout->render.i_height;
1191
1192     /* Assume we have square pixels */
1193     p_vout->output.i_aspect = p_vout->p_sys->i_width
1194                                * VOUT_ASPECT_FACTOR / p_vout->p_sys->i_height;
1195     p_vout->output.i_chroma = colspace[p_vout->p_sys->p_window->colspace_index].chroma;
1196     p_vout->p_sys->i_index = 0;
1197
1198     p_vout->b_direct = 1;
1199
1200     p_vout->output.i_rmask  = 0x00ff0000;
1201     p_vout->output.i_gmask  = 0x0000ff00;
1202     p_vout->output.i_bmask  = 0x000000ff;
1203
1204     for (int buffer_index = 0 ; buffer_index < 3; buffer_index++)
1205     {
1206        p_pic = NULL;
1207        /* Find an empty picture slot */
1208        for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
1209        {
1210            p_pic = NULL;
1211            if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
1212            {
1213                p_pic = p_vout->p_picture + i_index;
1214                break;
1215            }
1216        }
1217
1218        if( p_pic == NULL )
1219        {
1220            return 0;
1221        }
1222        p_pic->p->p_pixels = (u8*)p_vout->p_sys->p_window->bitmap[buffer_index]->Bits();
1223        p_pic->p->i_lines = p_vout->p_sys->i_height;
1224
1225        p_pic->p->i_pixel_pitch = colspace[p_vout->p_sys->p_window->colspace_index].pixel_bytes;
1226        p_pic->i_planes = colspace[p_vout->p_sys->p_window->colspace_index].planes;
1227        p_pic->p->i_pitch = p_vout->p_sys->p_window->bitmap[buffer_index]->BytesPerRow();
1228        p_pic->p->i_visible_pitch = p_pic->p->i_pixel_pitch * ( p_vout->p_sys->p_window->bitmap[buffer_index]->Bounds().IntegerWidth() + 1 );
1229
1230        p_pic->i_status = DESTROYED_PICTURE;
1231        p_pic->i_type   = DIRECT_PICTURE;
1232
1233        PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
1234
1235        I_OUTPUTPICTURES++;
1236     }
1237
1238     return( 0 );
1239 }
1240
1241 /*****************************************************************************
1242  * End: terminate BeOS video thread output method
1243  *****************************************************************************/
1244 void End( vout_thread_t *p_vout )
1245 {
1246     BeosCloseDisplay( p_vout );
1247 }
1248
1249 /*****************************************************************************
1250  * CloseVideo: destroy BeOS video thread output method
1251  *****************************************************************************
1252  * Terminate an output method created by DummyCreateOutputMethod
1253  *****************************************************************************/
1254 void E_(CloseVideo) ( vlc_object_t *p_this )
1255 {
1256     vout_thread_t * p_vout = (vout_thread_t *)p_this;
1257
1258     free( p_vout->p_sys );
1259 }
1260
1261 /*****************************************************************************
1262  * Display: displays previously rendered output
1263  *****************************************************************************
1264  * This function send the currently rendered image to BeOS image, waits until
1265  * it is displayed and switch the two rendering buffers, preparing next frame.
1266  *****************************************************************************/
1267 void Display( vout_thread_t *p_vout, picture_t *p_pic )
1268 {
1269     VideoWindow * p_win = p_vout->p_sys->p_window;
1270
1271     /* draw buffer if required */
1272     if (!p_win->teardownwindow)
1273     {
1274        p_win->drawBuffer(p_vout->p_sys->i_index);
1275     }
1276     /* change buffer */
1277     p_vout->p_sys->i_index = ++p_vout->p_sys->i_index % 3;
1278     p_pic->p->p_pixels = (u8*)p_vout->p_sys->p_window->bitmap[p_vout->p_sys->i_index]->Bits();
1279 }
1280
1281 /* following functions are local */
1282
1283 /*****************************************************************************
1284  * BeosOpenDisplay: open and initialize BeOS device
1285  *****************************************************************************/
1286 static int BeosOpenDisplay( vout_thread_t *p_vout )
1287 {
1288
1289     p_vout->p_sys->p_window = new VideoWindow( p_vout->p_sys->i_width - 1,
1290                                                p_vout->p_sys->i_height - 1,
1291                                                BRect( 20, 50,
1292                                                       20 + p_vout->i_window_width - 1,
1293                                                       50 + p_vout->i_window_height - 1 ),
1294                                                p_vout );
1295     if( p_vout->p_sys->p_window == NULL )
1296     {
1297         msg_Err( p_vout, "cannot allocate VideoWindow" );
1298         return( 1 );
1299     }
1300     else
1301     {
1302         p_vout->p_sys->p_window->Show();
1303     }
1304
1305     return( 0 );
1306 }
1307
1308 /*****************************************************************************
1309  * BeosDisplay: close and reset BeOS device
1310  *****************************************************************************
1311  * Returns all resources allocated by BeosOpenDisplay and restore the original
1312  * state of the device.
1313  *****************************************************************************/
1314 static void BeosCloseDisplay( vout_thread_t *p_vout )
1315 {
1316     VideoWindow * p_win = p_vout->p_sys->p_window;
1317     /* Destroy the video window */
1318     if( p_win != NULL && !p_win->teardownwindow)
1319     {
1320         p_win->Lock();
1321         p_win->teardownwindow = true;
1322         p_win->Hide();
1323         p_win->Quit();
1324     }
1325     p_win = NULL;
1326 }